*Special..Products*:
1...(a+b)^2
2...(a-b)^2
3...difference..of..two..squares
4...sum..and..difference..of..two..cubes..-..correct..answer..✔ ✔
*Special..Products*:
1...(a+b)^2..=..a^2..+..2ab..+..b^2
2...(a-b)^2..=..a^2..-..2ab..+..b^2
3...difference..of..two..squares..=..a^2..-..b^2..=..(a+b)(a-b)
4...sum..and..difference..of..two..cubes
(a^3..+..b^3)..=..(a..+..b)(a^2..-..ab..+..b^2)
(a^3..-..b^3)..=..(a..-..b)(a^2..+..ab..+..b^2)
Pascal's..Triangle..-..correct..answer..✔ ✔ used..for..binomial..expansion.
practice!
-..(a+b)^4
-..(x+6)^7
Laws..of..exponents..-..correct..answer..✔ ✔ x^m..*..x^n..=..x^(m+n)
, x^m../..x^n..=..x^(m-n)
(x^m)^n..=..x^(mn)
Triangle..perimeter..and..area..-..correct..answer..✔ ✔ P..=..a..+..b..+..c
A..=..bh/2
equilateral..triangle..perimeter..and..area..-..correct..answer..✔ ✔ P..=..3s
A..=..sqrt(3)/4..*..s^2
square..perimeter..and..area..-..correct..answer..✔ ✔ P..=..4s
A..=..s^2
rectangle..perimeter..and..area..-..correct..answer..✔ ✔ P..=..2l..+..2w
A..=..lw
Trapezoid..perimeter..and..area..-..correct..answer..✔ ✔ P..=..a..+..b..+..c..+..d
A..=..(b1+b2)h/2
parallelogram..perimeter..and..area..-..correct..answer..✔ ✔ P..=..2L..+..2W
A..=..bh